Amatitlan Geothermal Area

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Amatitlan Geothermal Area

Area Overview

Geothermal Area Profile

Location: Montufar, Pacaya Volcano National Park, Guatemala

Exploration Region: Central American Volcanic Arc Chain

GEA Development Phase: Operational"Operational" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

Coordinates: 14.408756889014°, -90.606671786308°

Resource Estimate

Mean Reservoir Temp: 240°C513.15 K
464 °F
923.67 °R

Estimated Reservoir Volume: 7.5 km³7,500,000,000 m³
1.799 mi³
264,860,000,407.5 ft³
9,809,629,642.5 yd³
7,500,000,000,000 L

Mean Capacity: 25 MW25,000 kW
25,000,000 W
25,000,000,000 mW
0.025 GW
2.5e-5 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 1

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity: 20 MW20,000 kW
20,000,000 W
20,000,000,000 mW
0.02 GW
2.0e-5 TW

Net Production Capacity:

Owners  :
  • Empresa de Generacion de Energia Electrica del INDE

Power Purchasers :
  • Guatemalan Sistema Nacional Interconnectada

Other Uses:

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Regulatory and Environmental Issues

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Exploration History

First Discovery Well

Completion Date:

Well Name:



Initial Flow Rate:
  • "fa" is not declared as a valid unit of measurement for this property.
  • The given value was not understood.

Flow Test Comment:

Initial Temperature:

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Well Field Description

Well Field Information

Development Area:

Number of Production Wells:

Number of Injection Wells:

Number of Replacement Wells:

Average Temperature of Geofluid: 285°C558.15 K
545 °F
1,004.67 °R

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 1000 m1 km
0.621 mi
3,280.84 ft
1,093.61 yd

Depth to Bottom of Reservoir: 2000 m2 km
1.243 mi
6,561.68 ft
2,187.22 yd

Average Depth to Reservoir: 1500 m1.5 km
0.932 mi
4,921.26 ft
1,640.415 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Subduction Zone

Controlling Structure:

Topographic Features:

Brophy Model: Type C: Caldera Resource

Moeck-Beardsmore Play Type: CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive"CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive" is not in the list of possible values (CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive, CV-2a: Plutonic - Recent or Active Volcanism, CV-2b: Plutonic - Inactive Volcanism, CV-3: Extensional Domain, CD-1: Intracratonic Basin, CD-2: Orogenic Belt, CD-3: Crystalline Rock - Basement) for this property.

Geologic Features

Modern Geothermal Features: Fumaroles, Hot Springs

Relict Geothermal Features:

Volcanic Age: Recent

Host Rock Age:

Host Rock Lithology:

Cap Rock Age:

Cap Rock Lithology:

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Geofluid Geochemistry


Salinity (low): 2500

Salinity (high):

Salinity (average):

Brine Constituents:

Water Resistivity:

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NEPA-Related Analyses (0)

Below is a list of NEPA-related analyses that have been conducted in the area - and logged on OpenEI. To add an additional NEPA-related analysis, see the NEPA Database.

CSV No NEPA-related documents listed.

Exploration Activities (0)

Below is a list of Exploration that have been conducted in the area - and cataloged on OpenEI. Add.png Add a new Exploration Activity

No exploration activities listed on OpenEI.


  1. 1.0 1.1 1.2 1.3 Liz Battocletti, Bob Lawrence & Associates. 02/01/1991. Geothermal Resources in Latin America & the Caribbean. Personal Communication sent to Sandia National Laboratories.
  2. Ruggero Bertani. 2005. World Geothermal Power Generation 2001-2005. Proceedings of World Geothermal Congress; Turkey: World Geothermal Congress.

List of existing Geothermal Resource Areas.

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